Bob asked in Science & MathematicsBotany · 9 months ago

How to flowers move?

Like, how do they reach for the sunlight??! Are they controlled by aliens...? Or... ARE THEY ALIENS?! Please answer

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  • 9 months ago

    Most flowers do not move in response to the sun or light but many leaves do. Those flowers that do, use water pressure in some cells to turn the flower. Cells swell with water causing them to bend in relationship to other cells that do not swell with water. So the flower bends away from the swelling cells

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  • 9 months ago

    Because they are alive. Patiently watch them, you can actually see dandelions close up at sunset.

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  • 9 months ago

    Plants have a mechanism for this.

    They do this through hormones called auxin.

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  • 9 months ago

    flowers have special muscles to move their petals. I once saw a rose bush with six-pack abs!

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  • 9 months ago

    Cells in the stems grow very fast when plant is young. One side of stem gets more sun than the other. That makes the flower head and petals turn. Sunflowers do that in just hours. Exactly how that is done is here: https://www.npr.org/sections/thetwo-way/2016/08/05...

    Slow growing plants will also add cells that produce more from photosynthesis, and not so many or none that are not getting sunlight and producing. That makes vines indoors grow toward window or skylight.

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  • KennyB
    Lv 7
    9 months ago

    Some have simple photoreceptors and what are the plant equivalent of muscles. When the photoreceptors sense daylight, they trigger the muscles to align the photon absorbing portions of the plant with the light.

    Some plants have simple pressure receptors that trigger similar 'muscles' when they feel unusual pressure. Much like when a Venus Flytrap closes its open leaves to trap an insect.

    Aliens? No.

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